When people ask me where I get my ideas from, the address in the heading is as good an answer as any other. It’s where I got the germ of the idea for the following set of strips, though lots of other things fed into it as it went on. It all started when I saw a secondhand book about urban exploring, thought it looked interesting, and bought it. It’s still on my ‘to be read’ shelf, along with many, many other books, but a quick flip though the illustrations gave me the impetus to produce this…